uye hydrotreating.
Chigadzirwa ramangwana
Chigadzirwa chacho chakasimba chisina kunhuwirira pasi pekupisa kwema ambient, chinogona kunyungudutswa nekupisa.
Chigadzirwa chinotsva, chepasi chakapisa chemagetsi uye chemagetsi conductor uye yakasimba hunyoro bata-kumusoro